Advertisements
Advertisements
प्रश्न
What is the number of electrons donated by a magnesium atom and number of electrons accepted by a sulphur atom during their chemical combination?
Advertisements
उत्तर
Two, Two
APPEARS IN
संबंधित प्रश्न
What does 2C02 represent ?
What does 5H2S04 represent ?
What does 6NaNO3 represent ?
Write the molecular formulae of Sodiun sulphide:
The valency of sodium is one, write the molecular formula for sodium sulphate ?
Fill in the blank
_______ is a triatomic molecule.
State the term
The symbolic representation of a molecule ______
Fill in the following blanks :
1 mole contains .............. atoms, molecules or ions of a substance.
If 1 gram of sulphur dioxide contains x molecules, how many molecules will be present in 1 gram of oxygen ?
(S = 32 u ; O = 16 u)
Which contains more molecules, 10 g of sulphur dioxide (SO2) or 10 g of oxygen (O2) ?
(Atomic masses : S = 32 u ; O = 16 u)
Diagrammatically represent the transfer of electrons.
‘Atoms of the same element or different from Dalton’s atomic theory by the Modern Atomic Theory.
Give two examples each of –
- Atoms of the same element
- Atoms of different elements combining to form a molecule.
State the correct formula of the following from the option given:
Sodium bisulphite
Name the following:
The compound formed when iron [Fe2+] combines with oxygen [O2−].
Define molecule.
Express each of the following in kilograms
58.34 g
Express each of the following in kilograms
0.584 g
Express each of the following in kilograms
58.34 g
A group of atoms carrying a fixed charge on them is called ————.
